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#1
04-23-2006, 02:11 PM
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| Pitch issue While "flying" the Blade yesterday I couldn't get it over 6" to 1' off the floor. Decided to call it a day and put it up until I could figure out what the problem was. Got it out today and done all the preflight stuff and everything seemed okay. I checked the blade tracking and that was alright. I decided to check the pitch and the gauge showed that the pitch was right on one blade. That blade checked out at 10 degrees at full throttle. Checked the other blade and found that it was only 5 degrees at full throttle. Actually only blade was giving lift. Set that blade at 10 degrees also and had no problem hovering at 5 to 6'. Question. How could tracking be right and blades have different pitch?  |
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#2
04-23-2006, 05:36 PM
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| Re: Pitch issue The only answer I can come up with is a bent feathering shaft. This would mean that the blade with the pitch would lift to track with the blade without pitch. But in honesty I don't know of anyone with +10 degrees on one blade and +5 on another with good tracking.  When you set your blades so they have the same pitch setting you nearly always get a slight bit of tracking that needs to be done. This done you will always have one blade at hover with slightly more pitch in it. As long as you set your blade pitch to both blades and then when you hover you sort the tracking issue. You should then be fine through the rest of flight time. Good luck.
__________________ Regards Darren If you cant fly. dont quit trying.    |
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#3
04-25-2006, 11:51 PM
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| Re: Pitch issue All I can say is check the balance of the blades. Or smack Mr Murphy up side the head.
__________________ Hehe, 3D member, I can now crash upside down.  Normal flight = I crashed skids down  3D flight = I crashed doing somthing crazy  Nice dreams (X 400) Melo Yellow (Blade cx) Ms Hornet x4 (still unnamed) Any more and I will have to stop listing them in the sig. |
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#4
04-26-2006, 04:20 AM
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| Re: Pitch issue I might be asking a stupid question here, please forgive me if I am. At what position around the rotor head are the blades as you check the pitch?
__________________ "You and that bloody Helicopter"! Walkera 22A Century Hawk Pro.... Airwolf in the workshop.... |
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#6
04-26-2006, 04:46 AM
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| Re: Pitch issue and the head/ swashplate is level. In other words it hasn't been left with any cyclic input on it, including trim. Just a thought ..
__________________ "You and that bloody Helicopter"! Walkera 22A Century Hawk Pro.... Airwolf in the workshop.... |
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#7
04-26-2006, 04:51 AM
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| Re: Pitch issue When you measure the pitch you are supposed to have the rx and tx on with motor disconected so that you can check it in varius throdle positions
__________________ I learn something new every day I only wish i could remember it all |
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